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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Relaxation
aortic and pulmonary semilunar valves
prevent friction as the heart beats
diastole
cardiac cycle
2. Endocardium lines the chambers of the heart
vagus nerves
endocardium
SA node
is smooth to prevent abnormal clotting within the heart
3. Heart chambers are lined with this
endocardium
diastole
mediastinum
fibrous epicardium
4. Purpose of teh coronary vessels
medulla
supply the heart with oxygenated blood
venous return
closure of the valves
5. Upper chamber of the heart
epicardium
atrium
endocardium
medulla
6. Prevents backflow of blood from the left ventricle to the left atrium
bicuspid valve
cardiac cycle
coronary arteries
cardiac output
7. Coronary sinus receives blood directly from this
tricuspid valve
right and left atria
supply the heart with oxygenated blood
coronary veins
8. Contraction of chambers of the heart
systole
epicardium
fibrous epicardium
diastole
9. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
pressoreceptors in teh carotid and aortic sinuses
atrium
sodium ions and water
bradycardia
10. Relaxation of chambers of the heart
medulla
superior and inferior caval veins
diastole
atrium
11. Amount of blood pumped by a ventricle per beat
stroke volume
pressoreceptors in teh carotid and aortic sinuses
ECG
bradycardia
12. The chambers of teh heart that receive blood from the veins
epicardium
systole
tricuspid valve
right and left atria
13. First part of the cardia conduction pathway in teh ventircles
closure of the valves
bundle of His...
tricuspid valve
ischemia
14. Heart is located here
cardiac reserve
medial to the lungs and superior to the diaphragm
sodium ions and water
fibrullation
15. Irregular heartbeats
arrhythmias
fibrullation
pressoreceptors in teh carotid and aortic sinuses
systole
16. 1st branches of teh ascending aorta
coronary arteries
right and left atria
SA node
aorta
17. Area in the thoracic cavity between the lungs
mediastinum
aortic and pulmonary semilunar valves
SA node
endocardium
18. Normal heart sounds are caused by
ischemia
cardiac cycle
closure of the valves
myocardium
19. The amount of blood that returns to teh heart
medulla
venous return
bradycardia
vagus nerves
20. Natural pacemaker of the heart
cardiac output
right and left atria
SA node
cardiac cycle
21. Outermost of the pericardial membranes
aortic and pulmonary semilunar valves
fibrous epicardium
venous return
60-80
22. The centers that regulate heart rate located in the___
venous return
medulla
diastole
coronary veins
23. Heart rate below 60 bpm
aortic and pulmonary semilunar valves
bradycardia
systole
right and left atria
24. Contraction
systole
aorta
myocardium
bicuspid valve
25. Prevents backflow of blood from teh right ventricle to the right atrium
aorta
bicuspid valve
tricuspid valve
systole
26. Nerves that transmit impulses to decrease the heart rate are the ____
arrhythmias
vagus nerves
medulla
stroke volume
27. Electical activity of the heart may be depicted in an
stenosis...
cardiac output
atrium
ECG
28. Each normal heartbeat is initiated by this
fibrullation
supply the heart with oxygenated blood
60-80
SA node
29. Narrowing of a valve
aorta
coronary arteries
stenosis...
SA node
30. Funciton of the serous fluid of teh pericardial membranes
prevent friction as the heart beats
aortic and pulmonary semilunar valves
vagus nerves
aorta
31. Normal range of heart rate for a healthy adult is _____ bpm
60-80
stroke volume
arrhythmias
venous return
32. Very rapid and uncoordinated ventricular beat
fibrullation
aortic and pulmonary semilunar valves
right and left atria
bradycardia
33. Backflow o fblood from the arteries to the ventricles is prevented by these
mediastinum
aortic and pulmonary semilunar valves
stenosis...
tricuspid valve
34. Difference between resting cardiac output adn maximum exercise cardiac output
mediastinum
cardiac reserve
endocardium
closure of the valves
35. Amount of blood pumped by a ventricle in 1 minute
ischemia
supply the heart with oxygenated blood
cardiac output
aortic and pulmonary semilunar valves
36. Sequence of events in one heartbeat
cardiac cycle
diastole
myocardium
vagus nerves
37. Part of the myocardium is deprived of its blood supply and becomes ______
cardiac cycle
diastole
bundle of His...
ischemia
38. Vessel into which the left ventricle pumps blood
SA node
aorta
is smooth to prevent abnormal clotting within the heart
diastole
39. Changes in blood pressure are detected by
atrium
pressoreceptors in teh carotid and aortic sinuses
vagus nerves
cardiac cycle
40. Cardiac muscle tissue
bradycardia
endocardium
prevent friction as the heart beats
myocardium
41. Largest artery of the body
sodium ions and water
aorta
fibrullation
stroke volume
42. Visceral pericardium
pressoreceptors in teh carotid and aortic sinuses
SA node
stenosis...
epicardium
43. Veins that return blood to the right atrium
closure of the valves
superior and inferior caval veins
aorta
bundle of His...